./Ultimate.py --spec ../../sv-benchmarks/c/properties/unreach-call.prp --file ../../sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i --full-output --architecture 32bit -------------------------------------------------------------------------------- Checking for ERROR reachability Using default analysis Version cad46833 Calling Ultimate with: /usr/lib/jvm/java-8-openjdk-amd64/bin/java -Dosgi.configuration.area=/tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/data/config -Xmx12G -Xms1G -jar /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/plugins/org.eclipse.equinox.launcher_1.3.100.v20150511-1540.jar -data @noDefault -ultimatedata /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/data -tc /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/config/AutomizerReach.xml -i ../../sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i -s /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf --cacsl2boogietranslator.entry.function main --witnessprinter.witness.directory /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer --witnessprinter.witness.filename witness.graphml --witnessprinter.write.witness.besides.input.file false --witnessprinter.graph.data.specification CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) --witnessprinter.graph.data.producer Automizer --witnessprinter.graph.data.architecture 32bit --witnessprinter.graph.data.programhash decd65579b12abcc2babf406dd98d57585632a29 ................................................................................................................................................................................................................................................................................................................................................................................................................................................................................................... Execution finished normally Writing output log to file Ultimate.log Result: TRUE --- Real Ultimate output --- This is Ultimate 0.1.24-cad4683 [2019-10-22 08:58:09,235 INFO L177 SettingsManager]: Resetting all preferences to default values... [2019-10-22 08:58:09,237 INFO L181 SettingsManager]: Resetting UltimateCore preferences to default values [2019-10-22 08:58:09,245 INFO L184 SettingsManager]: Ultimate Commandline Interface provides no preferences, ignoring... [2019-10-22 08:58:09,245 INFO L181 SettingsManager]: Resetting Boogie Preprocessor preferences to default values [2019-10-22 08:58:09,246 INFO L181 SettingsManager]: Resetting Boogie Procedure Inliner preferences to default values [2019-10-22 08:58:09,247 INFO L181 SettingsManager]: Resetting Abstract Interpretation preferences to default values [2019-10-22 08:58:09,248 INFO L181 SettingsManager]: Resetting LassoRanker preferences to default values [2019-10-22 08:58:09,249 INFO L181 SettingsManager]: Resetting Reaching Definitions preferences to default values [2019-10-22 08:58:09,249 INFO L181 SettingsManager]: Resetting SyntaxChecker preferences to default values [2019-10-22 08:58:09,250 INFO L181 SettingsManager]: Resetting Sifa preferences to default values [2019-10-22 08:58:09,251 INFO L184 SettingsManager]: Büchi Program Product provides no preferences, ignoring... [2019-10-22 08:58:09,251 INFO L181 SettingsManager]: Resetting LTL2Aut preferences to default values [2019-10-22 08:58:09,252 INFO L181 SettingsManager]: Resetting PEA to Boogie preferences to default values [2019-10-22 08:58:09,252 INFO L181 SettingsManager]: Resetting BlockEncodingV2 preferences to default values [2019-10-22 08:58:09,254 INFO L181 SettingsManager]: Resetting ChcToBoogie preferences to default values [2019-10-22 08:58:09,255 INFO L181 SettingsManager]: Resetting AutomataScriptInterpreter preferences to default values [2019-10-22 08:58:09,256 INFO L181 SettingsManager]: Resetting BuchiAutomizer preferences to default values [2019-10-22 08:58:09,257 INFO L181 SettingsManager]: Resetting CACSL2BoogieTranslator preferences to default values [2019-10-22 08:58:09,258 INFO L181 SettingsManager]: Resetting CodeCheck preferences to default values [2019-10-22 08:58:09,260 INFO L181 SettingsManager]: Resetting InvariantSynthesis preferences to default values [2019-10-22 08:58:09,260 INFO L181 SettingsManager]: Resetting RCFGBuilder preferences to default values [2019-10-22 08:58:09,261 INFO L181 SettingsManager]: Resetting Referee preferences to default values [2019-10-22 08:58:09,262 INFO L181 SettingsManager]: Resetting TraceAbstraction preferences to default values [2019-10-22 08:58:09,264 INFO L184 SettingsManager]: TraceAbstractionConcurrent provides no preferences, ignoring... [2019-10-22 08:58:09,264 INFO L184 SettingsManager]: TraceAbstractionWithAFAs provides no preferences, ignoring... [2019-10-22 08:58:09,264 INFO L181 SettingsManager]: Resetting TreeAutomizer preferences to default values [2019-10-22 08:58:09,265 INFO L181 SettingsManager]: Resetting IcfgToChc preferences to default values [2019-10-22 08:58:09,266 INFO L181 SettingsManager]: Resetting IcfgTransformer preferences to default values [2019-10-22 08:58:09,266 INFO L184 SettingsManager]: ReqToTest provides no preferences, ignoring... [2019-10-22 08:58:09,267 INFO L181 SettingsManager]: Resetting Boogie Printer preferences to default values [2019-10-22 08:58:09,267 INFO L181 SettingsManager]: Resetting ChcSmtPrinter preferences to default values [2019-10-22 08:58:09,268 INFO L181 SettingsManager]: Resetting ReqPrinter preferences to default values [2019-10-22 08:58:09,268 INFO L181 SettingsManager]: Resetting Witness Printer preferences to default values [2019-10-22 08:58:09,269 INFO L184 SettingsManager]: Boogie PL CUP Parser provides no preferences, ignoring... [2019-10-22 08:58:09,269 INFO L181 SettingsManager]: Resetting CDTParser preferences to default values [2019-10-22 08:58:09,270 INFO L184 SettingsManager]: AutomataScriptParser provides no preferences, ignoring... [2019-10-22 08:58:09,270 INFO L184 SettingsManager]: ReqParser provides no preferences, ignoring... [2019-10-22 08:58:09,270 INFO L181 SettingsManager]: Resetting SmtParser preferences to default values [2019-10-22 08:58:09,271 INFO L181 SettingsManager]: Resetting Witness Parser preferences to default values [2019-10-22 08:58:09,272 INFO L188 SettingsManager]: Finished resetting all preferences to default values... [2019-10-22 08:58:09,272 INFO L101 SettingsManager]: Beginning loading settings from /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/config/svcomp-Reach-32bit-Automizer_Default.epf [2019-10-22 08:58:09,283 INFO L113 SettingsManager]: Loading preferences was successful [2019-10-22 08:58:09,284 INFO L115 SettingsManager]: Preferences different from defaults after loading the file: [2019-10-22 08:58:09,285 INFO L136 SettingsManager]: Preferences of BlockEncodingV2 differ from their defaults: [2019-10-22 08:58:09,285 INFO L138 SettingsManager]: * Create parallel compositions if possible=false [2019-10-22 08:58:09,285 INFO L138 SettingsManager]: * Use SBE=true [2019-10-22 08:58:09,285 INFO L136 SettingsManager]: Preferences of CACSL2BoogieTranslator differ from their defaults: [2019-10-22 08:58:09,286 INFO L138 SettingsManager]: * sizeof long=4 [2019-10-22 08:58:09,286 INFO L138 SettingsManager]: * Overapproximate operations on floating types=true [2019-10-22 08:58:09,286 INFO L138 SettingsManager]: * sizeof POINTER=4 [2019-10-22 08:58:09,286 INFO L138 SettingsManager]: * Check division by zero=IGNORE [2019-10-22 08:58:09,286 INFO L138 SettingsManager]: * Pointer to allocated memory at dereference=IGNORE [2019-10-22 08:58:09,287 INFO L138 SettingsManager]: * If two pointers are subtracted or compared they have the same base address=IGNORE [2019-10-22 08:58:09,287 INFO L138 SettingsManager]: * Check array bounds for arrays that are off heap=IGNORE [2019-10-22 08:58:09,287 INFO L138 SettingsManager]: * sizeof long double=12 [2019-10-22 08:58:09,287 INFO L138 SettingsManager]: * Check if freed pointer was valid=false [2019-10-22 08:58:09,287 INFO L138 SettingsManager]: * Use constant arrays=true [2019-10-22 08:58:09,288 INFO L138 SettingsManager]: * Pointer base address is valid at dereference=IGNORE [2019-10-22 08:58:09,288 INFO L136 SettingsManager]: Preferences of RCFGBuilder differ from their defaults: [2019-10-22 08:58:09,288 INFO L138 SettingsManager]: * Size of a code block=SequenceOfStatements [2019-10-22 08:58:09,288 INFO L138 SettingsManager]: * To the following directory=./dump/ [2019-10-22 08:58:09,288 INFO L138 SettingsManager]: * SMT solver=External_DefaultMode [2019-10-22 08:58:09,288 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:09,289 INFO L136 SettingsManager]: Preferences of TraceAbstraction differ from their defaults: [2019-10-22 08:58:09,289 INFO L138 SettingsManager]: * Compute Interpolants along a Counterexample=FPandBP [2019-10-22 08:58:09,289 INFO L138 SettingsManager]: * Positions where we compute the Hoare Annotation=LoopsAndPotentialCycles [2019-10-22 08:58:09,289 INFO L138 SettingsManager]: * Trace refinement strategy=CAMEL [2019-10-22 08:58:09,289 INFO L138 SettingsManager]: * Command for external solver=z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in [2019-10-22 08:58:09,289 INFO L138 SettingsManager]: * Compute Hoare Annotation of negated interpolant automaton, abstraction and CFG=true [2019-10-22 08:58:09,290 INFO L138 SettingsManager]: * SMT solver=External_ModelsAndUnsatCoreMode Applying setting for plugin de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator: Entry function -> main Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness directory -> /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Witness filename -> witness.graphml Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Write witness besides input file -> false Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data specification -> CHECK( init(main()), LTL(G ! call(__VERIFIER_error())) ) Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data producer -> Automizer Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data architecture -> 32bit Applying setting for plugin de.uni_freiburg.informatik.ultimate.witnessprinter: Graph data programhash -> decd65579b12abcc2babf406dd98d57585632a29 [2019-10-22 08:58:09,311 INFO L81 nceAwareModelManager]: Repository-Root is: /tmp [2019-10-22 08:58:09,320 INFO L258 ainManager$Toolchain]: [Toolchain 1]: Applicable parser(s) successfully (re)initialized [2019-10-22 08:58:09,323 INFO L214 ainManager$Toolchain]: [Toolchain 1]: Toolchain selected. [2019-10-22 08:58:09,324 INFO L271 PluginConnector]: Initializing CDTParser... [2019-10-22 08:58:09,324 INFO L275 PluginConnector]: CDTParser initialized [2019-10-22 08:58:09,325 INFO L428 ainManager$Toolchain]: [Toolchain 1]: Parsing single file: /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/../../sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i [2019-10-22 08:58:09,370 INFO L220 CDTParser]: Created temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/data/524d28dc4/718b7a2bf03f4f339945a8ab7c573d28/FLAGae0c0b7d8 [2019-10-22 08:58:09,784 INFO L306 CDTParser]: Found 1 translation units. [2019-10-22 08:58:09,784 INFO L160 CDTParser]: Scanning /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/sv-benchmarks/c/pthread-wmm/safe003_tso.oepc.i [2019-10-22 08:58:09,796 INFO L349 CDTParser]: About to delete temporary CDT project at /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/data/524d28dc4/718b7a2bf03f4f339945a8ab7c573d28/FLAGae0c0b7d8 [2019-10-22 08:58:10,156 INFO L357 CDTParser]: Successfully deleted /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/data/524d28dc4/718b7a2bf03f4f339945a8ab7c573d28 [2019-10-22 08:58:10,158 INFO L296 ainManager$Toolchain]: ####################### [Toolchain 1] ####################### [2019-10-22 08:58:10,160 INFO L131 ToolchainWalker]: Walking toolchain with 6 elements. [2019-10-22 08:58:10,161 INFO L113 PluginConnector]: ------------------------CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:10,161 INFO L271 PluginConnector]: Initializing CACSL2BoogieTranslator... [2019-10-22 08:58:10,164 INFO L275 PluginConnector]: CACSL2BoogieTranslator initialized [2019-10-22 08:58:10,165 INFO L185 PluginConnector]: Executing the observer ACSLObjectContainerObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,169 INFO L205 PluginConnector]: Invalid model from CACSL2BoogieTranslator for observer de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator.ACSLObjectContainerObserver@55d71395 and model type de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10, skipping insertion in model container [2019-10-22 08:58:10,170 INFO L185 PluginConnector]: Executing the observer CACSL2BoogieTranslatorObserver from plugin CACSL2BoogieTranslator for "CDTParser AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,177 INFO L142 MainTranslator]: Starting translation in SV-COMP mode [2019-10-22 08:58:10,219 INFO L173 MainTranslator]: Built tables and reachable declarations [2019-10-22 08:58:10,567 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:10,577 INFO L188 MainTranslator]: Completed pre-run [2019-10-22 08:58:10,626 INFO L206 PostProcessor]: Analyzing one entry point: main [2019-10-22 08:58:10,689 INFO L192 MainTranslator]: Completed translation [2019-10-22 08:58:10,690 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10 WrapperNode [2019-10-22 08:58:10,690 INFO L132 PluginConnector]: ------------------------ END CACSL2BoogieTranslator---------------------------- [2019-10-22 08:58:10,691 INFO L113 PluginConnector]: ------------------------Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:10,691 INFO L271 PluginConnector]: Initializing Boogie Procedure Inliner... [2019-10-22 08:58:10,691 INFO L275 PluginConnector]: Boogie Procedure Inliner initialized [2019-10-22 08:58:10,699 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,712 INFO L185 PluginConnector]: Executing the observer Inliner from plugin Boogie Procedure Inliner for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,732 INFO L132 PluginConnector]: ------------------------ END Boogie Procedure Inliner---------------------------- [2019-10-22 08:58:10,733 INFO L113 PluginConnector]: ------------------------Boogie Preprocessor---------------------------- [2019-10-22 08:58:10,733 INFO L271 PluginConnector]: Initializing Boogie Preprocessor... [2019-10-22 08:58:10,733 INFO L275 PluginConnector]: Boogie Preprocessor initialized [2019-10-22 08:58:10,742 INFO L185 PluginConnector]: Executing the observer EnsureBoogieModelObserver from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,742 INFO L185 PluginConnector]: Executing the observer TypeChecker from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,744 INFO L185 PluginConnector]: Executing the observer ConstExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,746 INFO L185 PluginConnector]: Executing the observer StructExpander from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,751 INFO L185 PluginConnector]: Executing the observer UnstructureCode from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,761 INFO L185 PluginConnector]: Executing the observer FunctionInliner from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,763 INFO L185 PluginConnector]: Executing the observer BoogieSymbolTableConstructor from plugin Boogie Preprocessor for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... [2019-10-22 08:58:10,775 INFO L132 PluginConnector]: ------------------------ END Boogie Preprocessor---------------------------- [2019-10-22 08:58:10,779 INFO L113 PluginConnector]: ------------------------RCFGBuilder---------------------------- [2019-10-22 08:58:10,779 INFO L271 PluginConnector]: Initializing RCFGBuilder... [2019-10-22 08:58:10,779 INFO L275 PluginConnector]: RCFGBuilder initialized [2019-10-22 08:58:10,780 INFO L185 PluginConnector]: Executing the observer RCFGBuilderObserver from plugin RCFGBuilder for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (1/1) ... No working directory specified, using /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/z3 Starting monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 (exit command is (exit), workingDir is null) Waiting until toolchain timeout for monitored process 1 with z3 SMTLIB2_COMPLIANT=true -memory:2024 -smt2 -in -t:2000 [2019-10-22 08:58:10,838 INFO L130 BoogieDeclarations]: Found specification of procedure write~int [2019-10-22 08:58:10,839 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_begin [2019-10-22 08:58:10,839 INFO L130 BoogieDeclarations]: Found specification of procedure #Ultimate.allocOnStack [2019-10-22 08:58:10,839 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.dealloc [2019-10-22 08:58:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure P0 [2019-10-22 08:58:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P0 [2019-10-22 08:58:10,840 INFO L130 BoogieDeclarations]: Found specification of procedure P1 [2019-10-22 08:58:10,840 INFO L138 BoogieDeclarations]: Found implementation of procedure P1 [2019-10-22 08:58:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure P2 [2019-10-22 08:58:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure P2 [2019-10-22 08:58:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure __VERIFIER_atomic_end [2019-10-22 08:58:10,841 INFO L130 BoogieDeclarations]: Found specification of procedure ULTIMATE.start [2019-10-22 08:58:10,841 INFO L138 BoogieDeclarations]: Found implementation of procedure ULTIMATE.start [2019-10-22 08:58:10,843 WARN L202 CfgBuilder]: User set CodeBlockSize to SequenceOfStatements but program contains fork statements. Overwriting the user preferences and setting CodeBlockSize to SingleStatement [2019-10-22 08:58:11,152 INFO L279 CfgBuilder]: Using the 1 location(s) as analysis (start of procedure ULTIMATE.start) [2019-10-22 08:58:11,152 INFO L284 CfgBuilder]: Removed 6 assume(true) statements. [2019-10-22 08:58:11,153 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:11 BoogieIcfgContainer [2019-10-22 08:58:11,154 INFO L132 PluginConnector]: ------------------------ END RCFGBuilder---------------------------- [2019-10-22 08:58:11,154 INFO L113 PluginConnector]: ------------------------TraceAbstraction---------------------------- [2019-10-22 08:58:11,154 INFO L271 PluginConnector]: Initializing TraceAbstraction... [2019-10-22 08:58:11,157 INFO L275 PluginConnector]: TraceAbstraction initialized [2019-10-22 08:58:11,157 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "CDTParser AST 22.10 08:58:10" (1/3) ... [2019-10-22 08:58:11,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1780fb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:11, skipping insertion in model container [2019-10-22 08:58:11,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.cacsl2boogietranslator AST 22.10 08:58:10" (2/3) ... [2019-10-22 08:58:11,158 INFO L205 PluginConnector]: Invalid model from TraceAbstraction for observer de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction.TraceAbstractionObserver@1780fb0a and model type de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction AST 22.10 08:58:11, skipping insertion in model container [2019-10-22 08:58:11,158 INFO L185 PluginConnector]: Executing the observer TraceAbstractionObserver from plugin TraceAbstraction for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:11" (3/3) ... [2019-10-22 08:58:11,160 INFO L109 eAbstractionObserver]: Analyzing ICFG safe003_tso.oepc.i [2019-10-22 08:58:11,189 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,189 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,189 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,189 WARN L315 ript$VariableManager]: TermVariabe Thread1_P0_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,189 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,190 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,190 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,190 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,190 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,190 WARN L315 ript$VariableManager]: TermVariabe |Thread1_P0_#t~nondet3.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,190 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,191 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,191 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,191 WARN L315 ript$VariableManager]: TermVariabe Thread2_P1_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,191 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,191 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,191 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,191 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,192 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,192 WARN L315 ript$VariableManager]: TermVariabe |Thread2_P1_#t~nondet4.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,192 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,192 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#in~arg.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,192 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.offset not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,192 WARN L315 ript$VariableManager]: TermVariabe Thread0_P2_~arg.base not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#res.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.base| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,193 WARN L315 ript$VariableManager]: TermVariabe |Thread0_P2_#t~nondet5.offset| not constructed by VariableManager. Cannot ensure absence of name clashes. [2019-10-22 08:58:11,216 WARN L141 ceAbstractionStarter]: Switching off computation of Hoare annotation because input is a concurrent program [2019-10-22 08:58:11,216 INFO L152 ceAbstractionStarter]: Automizer settings: Hoare:false NWA Interpolation:FPandBP Determinization: PREDICATE_ABSTRACTION [2019-10-22 08:58:11,222 INFO L164 ceAbstractionStarter]: Appying trace abstraction to program that has 1 error locations. [2019-10-22 08:58:11,229 INFO L249 AbstractCegarLoop]: Starting to check reachability of 1 error locations. [2019-10-22 08:58:11,246 INFO L373 AbstractCegarLoop]: Interprodecural is true [2019-10-22 08:58:11,246 INFO L374 AbstractCegarLoop]: Hoare is true [2019-10-22 08:58:11,246 INFO L375 AbstractCegarLoop]: Compute interpolants for FPandBP [2019-10-22 08:58:11,246 INFO L376 AbstractCegarLoop]: Backedges is STRAIGHT_LINE [2019-10-22 08:58:11,246 INFO L377 AbstractCegarLoop]: Determinization is PREDICATE_ABSTRACTION [2019-10-22 08:58:11,246 INFO L378 AbstractCegarLoop]: Difference is false [2019-10-22 08:58:11,246 INFO L379 AbstractCegarLoop]: Minimize is MINIMIZE_SEVPA [2019-10-22 08:58:11,246 INFO L383 AbstractCegarLoop]: ======== Iteration 0==of CEGAR loop == AllErrorsAtOnce======== [2019-10-22 08:58:11,255 INFO L100 iNet2FiniteAutomaton]: Start petriNet2FiniteAutomaton. Operand has 56 places, 53 transitions [2019-10-22 08:58:11,412 INFO L122 iNet2FiniteAutomaton]: Finished petriNet2FiniteAutomaton. Result 2385 states. [2019-10-22 08:58:11,415 INFO L276 IsEmpty]: Start isEmpty. Operand 2385 states. [2019-10-22 08:58:11,432 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 31 [2019-10-22 08:58:11,432 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:11,433 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:11,434 INFO L410 AbstractCegarLoop]: === Iteration 1 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:11,439 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:11,440 INFO L82 PathProgramCache]: Analyzing trace with hash -1191456577, now seen corresponding path program 1 times [2019-10-22 08:58:11,447 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:11,447 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1559555434] [2019-10-22 08:58:11,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:11,448 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:11,448 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:11,568 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:11,744 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:11,749 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1559555434] [2019-10-22 08:58:11,750 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:11,750 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [4] imperfect sequences [] total 4 [2019-10-22 08:58:11,750 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [692722459] [2019-10-22 08:58:11,754 INFO L442 AbstractCegarLoop]: Interpolant automaton has 4 states [2019-10-22 08:58:11,755 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:11,766 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 4 interpolants. [2019-10-22 08:58:11,767 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=5, Invalid=7, Unknown=0, NotChecked=0, Total=12 [2019-10-22 08:58:11,768 INFO L87 Difference]: Start difference. First operand 2385 states. Second operand 4 states. [2019-10-22 08:58:11,887 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:11,887 INFO L93 Difference]: Finished difference Result 2493 states and 8069 transitions. [2019-10-22 08:58:11,887 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 5 states. [2019-10-22 08:58:11,889 INFO L78 Accepts]: Start accepts. Automaton has 4 states. Word has length 30 [2019-10-22 08:58:11,890 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:11,922 INFO L225 Difference]: With dead ends: 2493 [2019-10-22 08:58:11,922 INFO L226 Difference]: Without dead ends: 1128 [2019-10-22 08:58:11,926 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 5 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 3 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=9, Invalid=11, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:11,950 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1128 states. [2019-10-22 08:58:12,062 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1128 to 1128. [2019-10-22 08:58:12,064 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1128 states. [2019-10-22 08:58:12,070 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1128 states to 1128 states and 3558 transitions. [2019-10-22 08:58:12,071 INFO L78 Accepts]: Start accepts. Automaton has 1128 states and 3558 transitions. Word has length 30 [2019-10-22 08:58:12,071 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:12,071 INFO L462 AbstractCegarLoop]: Abstraction has 1128 states and 3558 transitions. [2019-10-22 08:58:12,072 INFO L463 AbstractCegarLoop]: Interpolant automaton has 4 states. [2019-10-22 08:58:12,072 INFO L276 IsEmpty]: Start isEmpty. Operand 1128 states and 3558 transitions. [2019-10-22 08:58:12,076 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 32 [2019-10-22 08:58:12,076 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:12,076 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:12,076 INFO L410 AbstractCegarLoop]: === Iteration 2 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:12,076 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:12,077 INFO L82 PathProgramCache]: Analyzing trace with hash 1745710421, now seen corresponding path program 1 times [2019-10-22 08:58:12,077 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:12,077 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [2122313823] [2019-10-22 08:58:12,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,077 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,077 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:12,112 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:12,209 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:12,209 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [2122313823] [2019-10-22 08:58:12,210 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:12,210 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [5] imperfect sequences [] total 5 [2019-10-22 08:58:12,210 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [321018168] [2019-10-22 08:58:12,211 INFO L442 AbstractCegarLoop]: Interpolant automaton has 5 states [2019-10-22 08:58:12,212 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:12,212 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 5 interpolants. [2019-10-22 08:58:12,212 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=8, Invalid=12, Unknown=0, NotChecked=0, Total=20 [2019-10-22 08:58:12,212 INFO L87 Difference]: Start difference. First operand 1128 states and 3558 transitions. Second operand 5 states. [2019-10-22 08:58:12,288 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:12,292 INFO L93 Difference]: Finished difference Result 1168 states and 3552 transitions. [2019-10-22 08:58:12,293 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:58:12,293 INFO L78 Accepts]: Start accepts. Automaton has 5 states. Word has length 31 [2019-10-22 08:58:12,293 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:12,306 INFO L225 Difference]: With dead ends: 1168 [2019-10-22 08:58:12,307 INFO L226 Difference]: Without dead ends: 1044 [2019-10-22 08:58:12,307 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 7 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 5 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 2 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=18, Invalid=24, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:12,312 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 1044 states. [2019-10-22 08:58:12,375 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 1044 to 1044. [2019-10-22 08:58:12,376 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 1044 states. [2019-10-22 08:58:12,382 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 1044 states to 1044 states and 3243 transitions. [2019-10-22 08:58:12,382 INFO L78 Accepts]: Start accepts. Automaton has 1044 states and 3243 transitions. Word has length 31 [2019-10-22 08:58:12,383 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:12,383 INFO L462 AbstractCegarLoop]: Abstraction has 1044 states and 3243 transitions. [2019-10-22 08:58:12,383 INFO L463 AbstractCegarLoop]: Interpolant automaton has 5 states. [2019-10-22 08:58:12,383 INFO L276 IsEmpty]: Start isEmpty. Operand 1044 states and 3243 transitions. [2019-10-22 08:58:12,386 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 33 [2019-10-22 08:58:12,386 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:12,386 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:12,387 INFO L410 AbstractCegarLoop]: === Iteration 3 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:12,387 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:12,387 INFO L82 PathProgramCache]: Analyzing trace with hash -1954248667, now seen corresponding path program 1 times [2019-10-22 08:58:12,387 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:12,387 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1622907476] [2019-10-22 08:58:12,387 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,388 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,388 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:12,409 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:12,493 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:12,494 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1622907476] [2019-10-22 08:58:12,494 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:12,494 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:12,494 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [842931948] [2019-10-22 08:58:12,495 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:12,495 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:12,495 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:12,495 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=12, Invalid=18, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:12,495 INFO L87 Difference]: Start difference. First operand 1044 states and 3243 transitions. Second operand 6 states. [2019-10-22 08:58:12,571 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:12,571 INFO L93 Difference]: Finished difference Result 820 states and 2379 transitions. [2019-10-22 08:58:12,572 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:58:12,572 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 32 [2019-10-22 08:58:12,572 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:12,575 INFO L225 Difference]: With dead ends: 820 [2019-10-22 08:58:12,576 INFO L226 Difference]: Without dead ends: 708 [2019-10-22 08:58:12,576 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 5 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=30, Invalid=42, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:12,579 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 708 states. [2019-10-22 08:58:12,598 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 708 to 708. [2019-10-22 08:58:12,598 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 708 states. [2019-10-22 08:58:12,601 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 708 states to 708 states and 2067 transitions. [2019-10-22 08:58:12,602 INFO L78 Accepts]: Start accepts. Automaton has 708 states and 2067 transitions. Word has length 32 [2019-10-22 08:58:12,602 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:12,602 INFO L462 AbstractCegarLoop]: Abstraction has 708 states and 2067 transitions. [2019-10-22 08:58:12,602 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:12,602 INFO L276 IsEmpty]: Start isEmpty. Operand 708 states and 2067 transitions. [2019-10-22 08:58:12,604 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:58:12,604 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:12,604 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:12,605 INFO L410 AbstractCegarLoop]: === Iteration 4 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:12,605 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:12,605 INFO L82 PathProgramCache]: Analyzing trace with hash -1082496791, now seen corresponding path program 1 times [2019-10-22 08:58:12,606 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:12,606 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [761126387] [2019-10-22 08:58:12,606 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,606 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,606 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:12,631 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:12,714 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:12,715 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [761126387] [2019-10-22 08:58:12,715 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:12,715 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [6] imperfect sequences [] total 6 [2019-10-22 08:58:12,715 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [590159830] [2019-10-22 08:58:12,715 INFO L442 AbstractCegarLoop]: Interpolant automaton has 6 states [2019-10-22 08:58:12,716 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:12,716 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 6 interpolants. [2019-10-22 08:58:12,716 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=9, Invalid=21, Unknown=0, NotChecked=0, Total=30 [2019-10-22 08:58:12,716 INFO L87 Difference]: Start difference. First operand 708 states and 2067 transitions. Second operand 6 states. [2019-10-22 08:58:12,828 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:12,828 INFO L93 Difference]: Finished difference Result 1172 states and 3451 transitions. [2019-10-22 08:58:12,829 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 6 states. [2019-10-22 08:58:12,829 INFO L78 Accepts]: Start accepts. Automaton has 6 states. Word has length 33 [2019-10-22 08:58:12,829 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:12,832 INFO L225 Difference]: With dead ends: 1172 [2019-10-22 08:58:12,833 INFO L226 Difference]: Without dead ends: 656 [2019-10-22 08:58:12,833 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 9 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 7 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.0s TimeCoverageRelationStatistics Valid=27, Invalid=45, Unknown=0, NotChecked=0, Total=72 [2019-10-22 08:58:12,836 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 656 states. [2019-10-22 08:58:12,852 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 656 to 656. [2019-10-22 08:58:12,852 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 656 states. [2019-10-22 08:58:12,855 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 656 states to 656 states and 1931 transitions. [2019-10-22 08:58:12,855 INFO L78 Accepts]: Start accepts. Automaton has 656 states and 1931 transitions. Word has length 33 [2019-10-22 08:58:12,856 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:12,856 INFO L462 AbstractCegarLoop]: Abstraction has 656 states and 1931 transitions. [2019-10-22 08:58:12,856 INFO L463 AbstractCegarLoop]: Interpolant automaton has 6 states. [2019-10-22 08:58:12,856 INFO L276 IsEmpty]: Start isEmpty. Operand 656 states and 1931 transitions. [2019-10-22 08:58:12,857 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:58:12,859 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:12,859 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:12,859 INFO L410 AbstractCegarLoop]: === Iteration 5 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:12,859 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:12,859 INFO L82 PathProgramCache]: Analyzing trace with hash 890036747, now seen corresponding path program 2 times [2019-10-22 08:58:12,860 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:12,860 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [1348310154] [2019-10-22 08:58:12,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,861 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:12,861 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:12,896 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:13,052 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:13,052 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [1348310154] [2019-10-22 08:58:13,052 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:13,052 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:58:13,052 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1870192962] [2019-10-22 08:58:13,053 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:58:13,053 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:13,053 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:58:13,054 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:13,054 INFO L87 Difference]: Start difference. First operand 656 states and 1931 transitions. Second operand 7 states. [2019-10-22 08:58:13,260 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:13,261 INFO L93 Difference]: Finished difference Result 1040 states and 3115 transitions. [2019-10-22 08:58:13,261 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 8 states. [2019-10-22 08:58:13,262 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-10-22 08:58:13,263 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:13,266 INFO L225 Difference]: With dead ends: 1040 [2019-10-22 08:58:13,267 INFO L226 Difference]: Without dead ends: 576 [2019-10-22 08:58:13,267 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 0 ImplicationChecksByTransitivity, 0.2s TimeCoverageRelationStatistics Valid=39, Invalid=71, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:58:13,269 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 576 states. [2019-10-22 08:58:13,281 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 576 to 576. [2019-10-22 08:58:13,281 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 576 states. [2019-10-22 08:58:13,283 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 576 states to 576 states and 1711 transitions. [2019-10-22 08:58:13,284 INFO L78 Accepts]: Start accepts. Automaton has 576 states and 1711 transitions. Word has length 33 [2019-10-22 08:58:13,284 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:13,285 INFO L462 AbstractCegarLoop]: Abstraction has 576 states and 1711 transitions. [2019-10-22 08:58:13,285 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:58:13,285 INFO L276 IsEmpty]: Start isEmpty. Operand 576 states and 1711 transitions. [2019-10-22 08:58:13,286 INFO L282 IsEmpty]: Finished isEmpty. Found accepting run of length 34 [2019-10-22 08:58:13,286 INFO L372 BasicCegarLoop]: Found error trace [2019-10-22 08:58:13,286 INFO L380 BasicCegarLoop]: trace histogram [1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1, 1] [2019-10-22 08:58:13,286 INFO L410 AbstractCegarLoop]: === Iteration 6 === [ULTIMATE.startErr0ASSERT_VIOLATIONERROR_FUNCTION]=== [2019-10-22 08:58:13,286 INFO L144 PredicateUnifier]: Initialized classic predicate unifier [2019-10-22 08:58:13,287 INFO L82 PathProgramCache]: Analyzing trace with hash -658889213, now seen corresponding path program 3 times [2019-10-22 08:58:13,287 INFO L157 tionRefinementEngine]: Executing refinement strategy CAMEL [2019-10-22 08:58:13,287 INFO L342 tionRefinementEngine]: Using trace check IpTcStrategyModuleSmtInterpolCraig [864105252] [2019-10-22 08:58:13,287 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:13,287 INFO L116 rtionOrderModulation]: Craig_NestedInterpolation forces the order to NOT_INCREMENTALLY [2019-10-22 08:58:13,287 INFO L94 rtionOrderModulation]: Keeping assertion order NOT_INCREMENTALLY [2019-10-22 08:58:13,318 INFO L136 AnnotateAndAsserter]: Conjunction of SSA is unsat [2019-10-22 08:58:13,413 INFO L134 CoverageAnalysis]: Checked inductivity of 0 backedges. 0 proven. 0 refuted. 0 times theorem prover too weak. 0 trivial. 0 not checked. [2019-10-22 08:58:13,414 INFO L342 tionRefinementEngine]: Using interpolant generator IpTcStrategyModuleSmtInterpolCraig [864105252] [2019-10-22 08:58:13,414 INFO L223 tionRefinementEngine]: Constructing automaton from 1 perfect and 0 imperfect interpolant sequences. [2019-10-22 08:58:13,414 INFO L236 tionRefinementEngine]: Number of different interpolants: perfect sequences [7] imperfect sequences [] total 7 [2019-10-22 08:58:13,414 INFO L342 tionRefinementEngine]: Using interpolant automaton builder IpAbStrategyModuleStraightlineAll [1119739510] [2019-10-22 08:58:13,414 INFO L442 AbstractCegarLoop]: Interpolant automaton has 7 states [2019-10-22 08:58:13,414 INFO L137 tionRefinementEngine]: Using predicate unifier PredicateUnifier provided by strategy CAMEL [2019-10-22 08:58:13,414 INFO L142 InterpolantAutomaton]: Constructing interpolant automaton starting with 7 interpolants. [2019-10-22 08:58:13,415 INFO L144 InterpolantAutomaton]: CoverageRelationStatistics Valid=11, Invalid=31, Unknown=0, NotChecked=0, Total=42 [2019-10-22 08:58:13,415 INFO L87 Difference]: Start difference. First operand 576 states and 1711 transitions. Second operand 7 states. [2019-10-22 08:58:13,483 INFO L144 Difference]: Subtrahend was deterministic. Have not used determinization. [2019-10-22 08:58:13,483 INFO L93 Difference]: Finished difference Result 448 states and 1295 transitions. [2019-10-22 08:58:13,483 INFO L142 InterpolantAutomaton]: Switched to read-only mode: deterministic interpolant automaton has 7 states. [2019-10-22 08:58:13,483 INFO L78 Accepts]: Start accepts. Automaton has 7 states. Word has length 33 [2019-10-22 08:58:13,484 INFO L84 Accepts]: Finished accepts. some prefix is accepted. [2019-10-22 08:58:13,484 INFO L225 Difference]: With dead ends: 448 [2019-10-22 08:58:13,484 INFO L226 Difference]: Without dead ends: 0 [2019-10-22 08:58:13,484 INFO L600 BasicCegarLoop]: 0 DeclaredPredicates, 11 GetRequests, 2 SyntacticMatches, 0 SemanticMatches, 9 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 3 ImplicationChecksByTransitivity, 0.1s TimeCoverageRelationStatistics Valid=33, Invalid=77, Unknown=0, NotChecked=0, Total=110 [2019-10-22 08:58:13,484 INFO L82 GeneralOperation]: Start minimizeSevpa. Operand 0 states. [2019-10-22 08:58:13,484 INFO L88 GeneralOperation]: Finished minimizeSevpa. Reduced states from 0 to 0. [2019-10-22 08:58:13,484 INFO L82 GeneralOperation]: Start removeUnreachable. Operand 0 states. [2019-10-22 08:58:13,485 INFO L88 GeneralOperation]: Finished removeUnreachable. Reduced from 0 states to 0 states and 0 transitions. [2019-10-22 08:58:13,485 INFO L78 Accepts]: Start accepts. Automaton has 0 states and 0 transitions. Word has length 33 [2019-10-22 08:58:13,485 INFO L84 Accepts]: Finished accepts. word is rejected. [2019-10-22 08:58:13,485 INFO L462 AbstractCegarLoop]: Abstraction has 0 states and 0 transitions. [2019-10-22 08:58:13,485 INFO L463 AbstractCegarLoop]: Interpolant automaton has 7 states. [2019-10-22 08:58:13,485 INFO L276 IsEmpty]: Start isEmpty. Operand 0 states and 0 transitions. [2019-10-22 08:58:13,485 INFO L282 IsEmpty]: Finished isEmpty. No accepting run. [2019-10-22 08:58:13,491 INFO L303 ceAbstractionStarter]: Did not count any witness invariants because Icfg is not BoogieIcfg [2019-10-22 08:58:13,492 INFO L202 PluginConnector]: Adding new model de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction CFG 22.10 08:58:13 BasicIcfg [2019-10-22 08:58:13,493 INFO L132 PluginConnector]: ------------------------ END TraceAbstraction---------------------------- [2019-10-22 08:58:13,493 INFO L113 PluginConnector]: ------------------------Witness Printer---------------------------- [2019-10-22 08:58:13,493 INFO L271 PluginConnector]: Initializing Witness Printer... [2019-10-22 08:58:13,493 INFO L275 PluginConnector]: Witness Printer initialized [2019-10-22 08:58:13,494 INFO L185 PluginConnector]: Executing the observer RCFGCatcher from plugin Witness Printer for "de.uni_freiburg.informatik.ultimate.plugins.generator.rcfgbuilder CFG 22.10 08:58:11" (3/4) ... [2019-10-22 08:58:13,497 INFO L137 WitnessPrinter]: Generating witness for correct program [2019-10-22 08:58:13,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P0 [2019-10-22 08:58:13,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P1 [2019-10-22 08:58:13,503 INFO L354 RCFGBacktranslator]: Ignoring RootEdge to procedure P2 [2019-10-22 08:58:13,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 11 nodes and edges [2019-10-22 08:58:13,507 INFO L902 BoogieBacktranslator]: Reduced CFG by removing 3 nodes and edges [2019-10-22 08:58:13,545 INFO L141 WitnessManager]: Wrote witness to /tmp/vcloud-vcloud-master/worker/working_dir_f8af9e37-be77-4ae5-a08b-8f6f0140a00c/bin/uautomizer/witness.graphml [2019-10-22 08:58:13,545 INFO L132 PluginConnector]: ------------------------ END Witness Printer---------------------------- [2019-10-22 08:58:13,549 INFO L168 Benchmark]: Toolchain (without parser) took 3388.71 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 940.4 MB in the beginning and 1.0 GB in the end (delta: -94.3 MB). Peak memory consumption was 29.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:13,549 INFO L168 Benchmark]: CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. [2019-10-22 08:58:13,549 INFO L168 Benchmark]: CACSL2BoogieTranslator took 529.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:13,550 INFO L168 Benchmark]: Boogie Procedure Inliner took 42.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:13,550 INFO L168 Benchmark]: Boogie Preprocessor took 46.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:13,551 INFO L168 Benchmark]: RCFGBuilder took 374.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:13,551 INFO L168 Benchmark]: TraceAbstraction took 2338.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:13,551 INFO L168 Benchmark]: Witness Printer took 52.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. [2019-10-22 08:58:13,559 INFO L335 ainManager$Toolchain]: ####################### End [Toolchain 1] ####################### --- Results --- * Results from de.uni_freiburg.informatik.ultimate.core: - StatisticsResult: Toolchain Benchmarks Benchmark results are: * CDTParser took 0.15 ms. Allocated memory is still 1.0 GB. Free memory is still 960.6 MB. There was no memory consumed. Max. memory is 11.5 GB. * CACSL2BoogieTranslator took 529.33 ms. Allocated memory was 1.0 GB in the beginning and 1.2 GB in the end (delta: 124.3 MB). Free memory was 940.4 MB in the beginning and 1.1 GB in the end (delta: -154.1 MB). Peak memory consumption was 22.4 MB. Max. memory is 11.5 GB. * Boogie Procedure Inliner took 42.14 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * Boogie Preprocessor took 46.04 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 2.7 MB). Peak memory consumption was 2.7 MB. Max. memory is 11.5 GB. * RCFGBuilder took 374.44 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.1 GB in the end (delta: 26.4 MB). Peak memory consumption was 26.4 MB. Max. memory is 11.5 GB. * TraceAbstraction took 2338.22 ms. Allocated memory is still 1.2 GB. Free memory was 1.1 GB in the beginning and 1.0 GB in the end (delta: 23.1 MB). Peak memory consumption was 23.1 MB. Max. memory is 11.5 GB. * Witness Printer took 52.31 ms. Allocated memory is still 1.2 GB. Free memory was 1.0 GB in the beginning and 1.0 GB in the end (delta: 4.9 MB). Peak memory consumption was 4.9 MB. Max. memory is 11.5 GB. * Results from de.uni_freiburg.informatik.ultimate.plugins.generator.traceabstraction: - PositiveResult [Line: 4]: call of __VERIFIER_error() unreachable For all program executions holds that call of __VERIFIER_error() unreachable at this location - AllSpecificationsHoldResult: All specifications hold 1 specifications checked. All of them hold - StatisticsResult: Ultimate Automizer benchmark data CFG has 7 procedures, 71 locations, 1 error locations. Result: SAFE, OverallTime: 2.2s, OverallIterations: 6, TraceHistogramMax: 1, AutomataDifference: 0.7s, DeadEndRemovalTime: 0.0s, HoareAnnotationTime: 0.0s, HoareTripleCheckerStatistics: 345 SDtfs, 420 SDslu, 849 SDs, 0 SdLazy, 108 SolverSat, 41 SolverUnsat, 0 SolverUnknown, 0 SolverNotchecked, 0.1s Time, PredicateUnifierStatistics: 0 DeclaredPredicates, 52 GetRequests, 12 SyntacticMatches, 0 SemanticMatches, 40 ConstructedPredicates, 0 IntricatePredicates, 0 DeprecatedPredicates, 10 ImplicationChecksByTransitivity, 0.6s Time, 0.0s BasicInterpolantAutomatonTime, BiggestAbstraction: size=2385occurred in iteration=0, traceCheckStatistics: No data available, InterpolantConsolidationStatistics: No data available, PathInvariantsStatistics: No data available, 0/0 InterpolantCoveringCapability, TotalInterpolationStatistics: No data available, 0.0s DumpTime, AutomataMinimizationStatistics: 0.2s AutomataMinimizationTime, 6 MinimizatonAttempts, 0 StatesRemovedByMinimization, 0 NontrivialMinimizations, HoareAnnotationStatistics: No data available, RefinementEngineStatistics: TRACE_CHECK: 0.0s SsaConstructionTime, 0.1s SatisfiabilityAnalysisTime, 0.6s InterpolantComputationTime, 192 NumberOfCodeBlocks, 192 NumberOfCodeBlocksAsserted, 6 NumberOfCheckSat, 186 ConstructedInterpolants, 0 QuantifiedInterpolants, 16718 SizeOfPredicates, 0 NumberOfNonLiveVariables, 0 ConjunctsInSsa, 0 ConjunctsInUnsatCore, 6 InterpolantComputations, 6 PerfectInterpolantSequences, 0/0 InterpolantCoveringCapability, INVARIANT_SYNTHESIS: No data available, INTERPOLANT_CONSOLIDATION: No data available, ABSTRACT_INTERPRETATION: No data available, PDR: No data available, SIFA: No data available, ReuseStatistics: No data available RESULT: Ultimate proved your program to be correct! Received shutdown request...